beep-final/Assets/7_Scripts/Camera/CameraManager.cs

using Cinemachine;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using UnityEngine;

public class CameraManager : MonoBehaviour
{
    public static CameraManager instance { get; private set; }

    public CinemachineVirtualCamera[] m_VCamList;

    private CinemachineVirtualCamera m_ActiveCamera;

    public CinemachineBrain m_CMBrain;

    public GameObject m_Parent;

    private void Awake()
    {
        if (instance != null && instance != this)
        {
            Destroy(this);
        }
        else
        {
            instance = this;
        }
    }

    private void Start()
    {
        // Get all virtual camera objects in Unity
        CompleteVCChildList();
    }

    private void Update()
    {
        // Check if a key between 0 and 9 is pressed
        for (int i = 0; i <= 9; i++)
        {
            if (Input.GetKeyDown(KeyCode.Alpha0 + i))
            {
                // Set priorities based on the key pressed
                SetCameraPriorities(i);
                break; // Exit loop after handling the key press
            }
        }
        SetCullingMask();
    }

    private void CompleteVCChildList()
    {
        m_VCamList = m_Parent.GetComponentsInChildren<CinemachineVirtualCamera>();
    }

    private void CompleteVCList() => m_VCamList = FindObjectsByType<CinemachineVirtualCamera>(FindObjectsSortMode.None);
    
    private void SetCullingMask()
    {
        GameObject cam = m_CMBrain.ActiveVirtualCamera.VirtualCameraGameObject;
        string tag = cam.tag;
        Camera mainCamera = m_CMBrain.OutputCamera;

        if (tag.Contains("surveillance"))
        {
            mainCamera.cullingMask = LayerMask.GetMask("Default", "TransparentFX", "Ignore Raycast", "Water", "UI", "Rig", "Walls");
        }
        else
        {
            mainCamera.cullingMask = LayerMask.GetMask("Default", "TransparentFX", "Ignore Raycast", "Water", "UI", "Rig","Walls");
        }
    }

    private void SetCameraPriorities(int keyPressed)
    {
        if (keyPressed < m_VCamList.Length)
        {
            m_VCamList[keyPressed].Priority = 1;
            //Debug.Log($"{m_VCamList[keyPressed].gameObject.name}");
        }

        // Assign priority 2 to all other virtual cameras
        for (int i = 0; i < m_VCamList.Length; i++)
        {
            if (i != keyPressed)
            {
                m_VCamList[i].Priority = 2;
            }
        }
    }
}